期刊
PLANETARY AND SPACE SCIENCE
卷 50, 期 1, 页码 57-62出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0032-0633(01)00073-3
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A re-evaluation of the collisional resurfacing model based on up-to-date Kuiper belt objects size distribution and a more precise treatment of the cosmic-ray environment at the outer Solar System is presented. The result of the irradiation due to cosmic-rays with different energies altered in a different way the material of the objects, producing, under certain conditions, a thick irradiation mantle. Since the collisional resurfacing model is based in the competition between darkening by cosmic-rays and resurfacing due to impacts, the color of objects in different regions of the belt could vary if the projectile populations in those regions are truncated at a different radius, (C) 2002 Published by Elsevier Science Ltd.
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